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    • 93. 发明授权
    • Random access scheme for user equipment
    • 用户设备的随机接入方案
    • US09049728B2
    • 2015-06-02
    • US13923304
    • 2013-06-20
    • LG Electronics Inc.
    • Sung Jun ParkSeung June YiSung Duck ChunYoung Dae Lee
    • H04W4/00H04W74/08H04W48/08H04W74/00H04W28/04
    • H04W74/0833H04W28/04H04W48/08H04W74/006H04W74/008
    • A method of efficiently processing a random access response message, when a terminal (or user equipment) performs random access, is disclosed. After the terminal transmits a random access preamble to a base station, the terminal may receive a random access response message having a format of medium access control protocol data unit (MAC PDU) including only a backoff indicator subheader in a MAC header of the MAC PDU, from the base station in response to the random access preamble. As described above, the terminal, which has received the random access response message including only a backoff indicator subheader in the MAC header of the MAC PDU, may consider a random access response reception procedure not successful and may perform a subsequent procedure for a random access responses reception failure.
    • 公开了当终端(或用户设备)执行随机接入时有效处理随机接入响应消息的方法。 在终端向基站发送随机接入前导码之后,终端可以接收具有媒体接入控制协议数据单元(MAC PDU)的格式的随机接入响应消息,该媒体接入控制协议数据单元(MAC PDU)仅包括MAC PDU的MAC报头中的后退指示符子报头 ,从基站响应于随机接入前导码。 如上所述,已经接收到仅包括MAC PDU的MAC报头中的退避指示符子头的随机接入响应消息的终端可以考虑随机接入响应接收过程不成功,并且可以执行随机接入的后续过程 响应接收失败。